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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-03 06:31:14 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -39.5255 Longitude: 154.1387 Position from underway logging |
Sample number: | IN2018_V08_D01_067 |
Dredge: | 01 |
Dredge Date: | 29/12/2018 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | brown | green |
Composition: | felsic |
Alteration: | Mn crust | altered |
Grain size: | sand and silt (<2 mm) | pebble (2-64 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | crystals | volcanic non-vesicular |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 001 |
Rock name: | poorly sorted alered trachytic breccia pebble |
Comments: | some possible iddigsile crystals, thin <0.5cm mn crust, green and white zeolites fill some of the matrix, sub angular - sub rounded clasts, trachytic hyaloclastite |